Effects of Low Ag Doping on Physical and Optical Waveguide Properties of Highly Oriented Sol-Gel ZnO Thin Films
A sol-gel dip-coating process was used to deposit almost stress-free highly c-axis oriented zinc oxide (ZnO) thin films onto glass substrates. The effects of low silver doping concentration (Ag/Zn < 1%) on the structural, morphological, optical, and waveguide properties of such films were investi...
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| Format: | Article |
| Language: | English |
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Wiley
2015-01-01
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| Series: | Advances in Condensed Matter Physics |
| Online Access: | http://dx.doi.org/10.1155/2015/740208 |
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| author | Mohamed Dehimi Tahar Touam Azeddine Chelouche Fares Boudjouan Djamel Djouadi Jeanne Solard Alexis Fischer Azzedine Boudrioua Abdellaziz Doghmane |
| author_facet | Mohamed Dehimi Tahar Touam Azeddine Chelouche Fares Boudjouan Djamel Djouadi Jeanne Solard Alexis Fischer Azzedine Boudrioua Abdellaziz Doghmane |
| author_sort | Mohamed Dehimi |
| collection | DOAJ |
| description | A sol-gel dip-coating process was used to deposit almost stress-free highly c-axis oriented zinc oxide (ZnO) thin films onto glass substrates. The effects of low silver doping concentration (Ag/Zn < 1%) on the structural, morphological, optical, and waveguide properties of such films were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy, UV-Visible spectrophotometry, and M-lines spectroscopy (MLS). XRD analysis revealed that all the films were in single phase and had a hexagonal wurtzite structure. The grain size values were calculated and found to be about 24–29 nm. SEM micrographs and AFM images have shown that film morphology and surface roughness were influenced by Ag doping concentration. According to UV-Vis. measurements all the films were highly transparent with average visible transmission values ranging from 80% to 86%. It was found that the Ag contents lead to widening of the band gap. MLS measurements at 632.8 nm wavelength put into evidence that all thin film planar waveguides demonstrate a well-guided fundamental mode for both transverse electric and transverse magnetic polarized light. Moreover, the refractive index of ZnO thin films was found to increase by Ag doping levels. |
| format | Article |
| id | doaj-art-e70087503f394235abac64f7da13b721 |
| institution | OA Journals |
| issn | 1687-8108 1687-8124 |
| language | English |
| publishDate | 2015-01-01 |
| publisher | Wiley |
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| series | Advances in Condensed Matter Physics |
| spelling | doaj-art-e70087503f394235abac64f7da13b7212025-08-20T02:21:10ZengWileyAdvances in Condensed Matter Physics1687-81081687-81242015-01-01201510.1155/2015/740208740208Effects of Low Ag Doping on Physical and Optical Waveguide Properties of Highly Oriented Sol-Gel ZnO Thin FilmsMohamed Dehimi0Tahar Touam1Azeddine Chelouche2Fares Boudjouan3Djamel Djouadi4Jeanne Solard5Alexis Fischer6Azzedine Boudrioua7Abdellaziz Doghmane8Semiconductors Laboratory, University of Badji Mokhtar-Annaba, BP 12, Annaba 23000, AlgeriaSemiconductors Laboratory, University of Badji Mokhtar-Annaba, BP 12, Annaba 23000, AlgeriaEnvironmental Engineering Laboratory, University of Béjaïa, Béjaïa 06000, AlgeriaEnvironmental Engineering Laboratory, University of Béjaïa, Béjaïa 06000, AlgeriaEnvironmental Engineering Laboratory, University of Béjaïa, Béjaïa 06000, AlgeriaLaser Physics Laboratory CNRS UMR 7538, University of Paris 13, Sorbonne Paris City, 93430 Villetaneuse, FranceLaser Physics Laboratory CNRS UMR 7538, University of Paris 13, Sorbonne Paris City, 93430 Villetaneuse, FranceLaser Physics Laboratory CNRS UMR 7538, University of Paris 13, Sorbonne Paris City, 93430 Villetaneuse, FranceSemiconductors Laboratory, University of Badji Mokhtar-Annaba, BP 12, Annaba 23000, AlgeriaA sol-gel dip-coating process was used to deposit almost stress-free highly c-axis oriented zinc oxide (ZnO) thin films onto glass substrates. The effects of low silver doping concentration (Ag/Zn < 1%) on the structural, morphological, optical, and waveguide properties of such films were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy, UV-Visible spectrophotometry, and M-lines spectroscopy (MLS). XRD analysis revealed that all the films were in single phase and had a hexagonal wurtzite structure. The grain size values were calculated and found to be about 24–29 nm. SEM micrographs and AFM images have shown that film morphology and surface roughness were influenced by Ag doping concentration. According to UV-Vis. measurements all the films were highly transparent with average visible transmission values ranging from 80% to 86%. It was found that the Ag contents lead to widening of the band gap. MLS measurements at 632.8 nm wavelength put into evidence that all thin film planar waveguides demonstrate a well-guided fundamental mode for both transverse electric and transverse magnetic polarized light. Moreover, the refractive index of ZnO thin films was found to increase by Ag doping levels.http://dx.doi.org/10.1155/2015/740208 |
| spellingShingle | Mohamed Dehimi Tahar Touam Azeddine Chelouche Fares Boudjouan Djamel Djouadi Jeanne Solard Alexis Fischer Azzedine Boudrioua Abdellaziz Doghmane Effects of Low Ag Doping on Physical and Optical Waveguide Properties of Highly Oriented Sol-Gel ZnO Thin Films Advances in Condensed Matter Physics |
| title | Effects of Low Ag Doping on Physical and Optical Waveguide Properties of Highly Oriented Sol-Gel ZnO Thin Films |
| title_full | Effects of Low Ag Doping on Physical and Optical Waveguide Properties of Highly Oriented Sol-Gel ZnO Thin Films |
| title_fullStr | Effects of Low Ag Doping on Physical and Optical Waveguide Properties of Highly Oriented Sol-Gel ZnO Thin Films |
| title_full_unstemmed | Effects of Low Ag Doping on Physical and Optical Waveguide Properties of Highly Oriented Sol-Gel ZnO Thin Films |
| title_short | Effects of Low Ag Doping on Physical and Optical Waveguide Properties of Highly Oriented Sol-Gel ZnO Thin Films |
| title_sort | effects of low ag doping on physical and optical waveguide properties of highly oriented sol gel zno thin films |
| url | http://dx.doi.org/10.1155/2015/740208 |
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